HomeNursing questions The main HB in infant below 3 months.. HBF publisher :NIL NAM -July 01, 2017 The main HB in infant below 3 months: a. HBA b. HBA2 c. HBF*** d. HBS. Labels Nursing questions Facebook Twitter Share:The main HB in infant below 3 months.. HBF Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email